
\begin{table}
\begin{center}
\begin{tabular}{l c c}
\hline
 & Support & Letter \\
\hline
Intercept                                            & $0.54^{***}$ & $0.01$      \\
                                                     & $(0.01)$     & $(0.02)$    \\
Support IG                                           & $0.00$       & $0.08^{**}$ \\
                                                     & $(0.03)$     & $(0.04)$    \\
Support IG+Coalition                                 & $0.04$       & $0.02$      \\
                                                     & $(0.03)$     & $(0.04)$    \\
Support IG+Coalition+Protest                         & $0.03$       & $0.03$      \\
                                                     & $(0.03)$     & $(0.04)$    \\
Support Flyer                                        & $-0.04$      & $-0.04$     \\
                                                     & $(0.03)$     & $(0.04)$    \\
Support Video                                        & $0.06^{**}$  & $0.05$      \\
                                                     & $(0.03)$     & $(0.04)$    \\
Support IG $\times$ Support Flyer                    & $0.01$       & $-0.07$     \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG $\times$ Support Video                    & $0.03$       & $-0.06$     \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Coalition  $\times$ Support Flyer         & $0.01$       & $0.03$      \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Coalition  $\times$ Support Video         & $-0.02$      & $0.02$      \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Protest $\times$  Support Flyer           & $0.03$       & $0.11^{**}$ \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Protest  $\times$  Support Video          & $-0.03$      & $-0.00$     \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Coalition+Protest $\times$ Support Flyer  & $0.02$       & $0.00$      \\
                                                     & $(0.04)$     & $(0.06)$    \\
Support IG+Coalition+Protest  $\times$ Support Video & $-0.03$      & $-0.02$     \\
                                                     & $(0.04)$     & $(0.06)$    \\
\hline
R$^2$                                                & $0.01$       & $0.00$      \\
Adj. R$^2$                                           & $0.00$       & $0.00$      \\
Num. obs.                                            & $8970$       & $8970$      \\
RMSE                                                 & $0.50$       & $0.72$      \\
\hline
\multicolumn{3}{l}{\scriptsize{$^{***}p<0.01$; $^{**}p<0.05$; $^{*}p<0.1$}}
\end{tabular}
\caption{CO2 Policy, fully saturated models}
\label{table2_long:coefficients}
\end{center}
\end{table}

